Adjustable bearing for spindles



Oct. 28, 1930. F RYDER ADJUSTABLE BEARING FOR SPINDLES Filed March 15,1929 i I 1 l Patented Oct. 28, 1930 UNITED STATES PATENT o F LFI FRANKEATOCK RYDER, OFIBOLTON, "ENGLAND ADJUSTABLE BEARING non SPINDLESApplication fi led March 15, 1929, Serial No. 347,310, and. in GreatBritain March 24, 1928.

This invention relates to adjustable bearings for spindles andparticularly to' the spindles of vertical automatic turning and likemachine tools of the type comprising I an intermittently rotating bedwhereon a plurality of workpieces are mounted and are brought in dueorder, by the rotary movements of the said bed, into the correctpositions to be 'operatedupon by a series of tools or cutters, the workpieces being rotated whilstunder the action of the tools.

The object of the present invention is to provide simple and convenientmeans for the ready and accurate adjustment. or setting of the multiplerotatable headstocks or spindles i of the said intermittently rotatingbed.

The invention comprises the improved construction and arrangement of themeans for adjusting the bearings of spindles as hereinafter describedand claimed. 1

Referring to the accompanying sheet of explanatory drawings i T Figure lis asectional elevation on the line A B, of Figure 3 of the spindleadjust- V ing means and bearings.

Figure 2 is a sectional elevation on the line C D of Figure 3 of thespindle adjusting means. I

Figure 3 is a sectional plan view on, the line E F of Figure 1.

The same reference letters in the diiferent views indicate the sameparts.

The bearing for the lower end of each spindle a comprises one or morerings or or more rings or groups of balls 0, the latter being adapted totake up end thrusts.

For the upper end of the spindle the bearing comprises a pair of'sleevescl, 6 disposed the one within the other, the bore of each sleeve beingslightly eccentric, and the inner one conical to suit the coned portionof the spindle a. The sleeve (Z has tommy holes f therein for theinsertion of a tommy bar by P which the sleeve is turned for adjustmentpurposes. The collar or nut 9. serves to draw the conical sleeve dupwards'to adjust the bearing for wear. The sleeve 6 has a toothedperiphery which can be engaged by a key for adjustment purposes. It islocked groups of rollers 12 in association with one one within the otheraround the spindle and within thespindle headstock, a wedge bolt withinthe slit in the inner sleeve, and means for adjusting said bolt insaidslit to expand the inner sleeve against the outer one and '3 6 i so bindthe two sleeves within the headstock. 2. An adjustable bearing for aspindle comprising, in combination, an inner split excentric sleevearound .the spindle with tommy holes in its upper end for its rotary- Qadjustment, an outer split excentric sleeve with a flanged and toothedupper end around the said inner sleeve, a headstock surrounding saidouter sleeve, a wedge bolt extending down the slit in the innersleevewith a screwv threaded end piece, and a nut upon said threaded end formoving said wedge bolt longitudinally and expanding the inner sleeve.

8. In an adjustable bearing for a spindle; as claimed in claim 1, theprovision of means for adjusting one of the split sleeves which has aconical or wedge surface, longitudinally to adjust the upper bearing ofthe spindle which has a-conic'al surface for wear. 7 35 4, An adjustablebearing for a spindle comprising, in combination, an inner splitexcentric sleeve with a conical inner surface threaded periphery of theinner sleeve and bearing on the top of the outer sleeve for moving saidinner sleeve aixially with relation to the outer sleeve.

In testimony whereof I have signed my name to this specification.

.FRANK EATOGK RYDER

